From: Jani Nikula <jani@nikula.org>
To: "Kevin J. McCarthy" <kevin@8t8.us>
Subject: Re: notmuch-mutt: support for duplicate message removal
In-Reply-To: <20120801175426.GA14470@zaogao.lan>
References: <1343808582-9519-1-git-send-email-zack@upsilon.cc>
	<87pq7aam8n.fsf@nikula.org> <20120801175426.GA14470@zaogao.lan>
User-Agent: Notmuch/0.13.2+104~gaee3080 (http://notmuchmail.org) Emacs/23.3.1
	(i686-pc-linux-gnu)
Date: Wed, 01 Aug 2012 22:28:23 +0300
Message-ID: <87a9yev2co.fsf@nikula.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: notmuch@notmuchmail.org, Stefano Zacchiroli <zack@upsilon.cc>
Precedence: list

On Wed, 01 Aug 2012, "Kevin J. McCarthy" <kevin@8t8.us> wrote:
> Jani Nikula wrote:
>> I'm guessing you get the duplicates because you have dupes in the mail
>> store, and 'notmuch search --output=files' prints all the filenames
>> associated with each matching message, rather than any other reason. The
>> presented approach will only remove identical files, and will leave
>> behind files that are basically the same message, but have differing
>> headers, e.g. due to being received through different channels. Is this
>> what you want?
>
> This method was something we felt comfortable enabling by default.
>
> Stefano and I discussed adding a (by default off) option to remove
> duplicates by message-id, but wanted to get this patch merged first and
> then think about it.

Sounds reasonable, especially considering [1]. I have no comments on the
patches; I'm not a notmuch-mutt (or perl) user.

>> Perhaps an option to 'notmuch search --output=files' to print only one
>> filename (even if there are many) per message would be interesting.
>
> This would be useful for the second approach.  If it's easy to do, that
> would be great.

Apart from [1], the hardest part will be bikeshedding about the option
name. ;)

BR,
Jani.

[1] id:"87d33av2sg.fsf@nikula.org"